Why do tamoxifen and herceptin not work against basal-like breast cancer?

 This is because basal-like breast cancers, do not express estrogen receptor (ER) or progesterone receptor (PR) and lacks human epidermal growth factor receptor 2 (HER2) overexpression or amplification. Due to the absence of molecular targets, they are unlikely to respond to medications such as tamoxifen and Herceptin that target the aforementioned receptors.

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u

idk im sorry.